Mine had a bezel around the outside of the radio that was hiding the screws. You might be able to pop it off with your hands but you might have to pry at a corner. If you have a plastic putty knife it would do the least amount of damage.
2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away